import React, { Component } from 'react';
import { Route, Switch } from 'react-router-dom';
import Home from './pages/Home';                //About是路由组件
import About from './pages/About';              //Home是路由组件
import Header from './components/Header';       //Header是一般组件
import MyNavLink from './components/MyNavLink';
export default class App extends Component {

    render() {
        // const { users } = this.state;
        return (
            <div>
                <div className="row">
                    <div className="col-xs-offset-2 col-xs-8">
                        <Header a={1} />
                    </div>
                </div>
                <div className="row">
                    <div className="col-xs-2 col-xs-offset-2">
                        <div className="list-group">
                            {/* 原生html中，靠<a>跳转不同的页面 */}
                            {/* <a className="list-group-item active" href="./about.html">About</a>
                            <a className="list-group-item" href="./home.html">Home</a> */}

                            {/* 在React中靠路由链接实现切换组件--编写路由链接 */}

                            <MyNavLink to='/atguigu/about'>About</MyNavLink>
                            <MyNavLink to='/atguigu/home'>Home</MyNavLink>

                        </div>
                    </div>
                    <div className="col-xs-6">
                        <div className="panel">
                            <div className="panel-body">
                                {/* 注册路由 */}
                                <Switch>
                                    <Route path="/atguigu/about" component={About}></Route>
                                    <Route path="/atguigu/home" component={Home}></Route>

                                </Switch>

                            </div>
                        </div>
                    </div>
                </div>

            </div>
        )
    }
}
